Koen M. J. De Bontridder B. J. Lageweg Jan Karel Lenstra James B. Orlin Leen Stougie Branch-and-Bound Algorithms for the Test Cover Problem. 223-233 2002 conf/esa/2002 ESA http://link.springer.de/link/service/series/0558/bibs/2461/24610223.htm db/conf/esa/esa2002.html#BontridderLLOS02